稀土在钢铁、有色金属、机械制造、石油化工、玻璃、陶瓷和农林牧业等传统产业方面用途广泛,用量虽小,效果显著,发挥着现代工业“维生素”的作用,产生出巨大的辐射经济效益。稀土处理钢和稀土铸铁 Rare earths are widely used in traditional industries such as iron and steel, non-ferrous metals, machinery manufacturing, petrochemicals, glass, ceramics, and agriculture, forestry, and animal husbandry. The use of rare earths is small and has significant effects. It plays the role of modern industry “vitamins” and produces a huge radiation economy. benefit. Rare earth treated steel and rare earth cast iron